CN205858456U - A kind of silencer for diesel engine - Google Patents
A kind of silencer for diesel engine Download PDFInfo
- Publication number
- CN205858456U CN205858456U CN201620866046.6U CN201620866046U CN205858456U CN 205858456 U CN205858456 U CN 205858456U CN 201620866046 U CN201620866046 U CN 201620866046U CN 205858456 U CN205858456 U CN 205858456U
- Authority
- CN
- China
- Prior art keywords
- hush pipe
- connecting plate
- internal diameter
- gas outlet
- air inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000003584 silencer Effects 0.000 title claims abstract description 15
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
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- Exhaust Silencers (AREA)
Abstract
This utility model provides the silencer for diesel engine of a kind of excellent noise reduction effect, including the first hush pipe being arranged side by side and the second hush pipe, the gas outlet of described first hush pipe is connected with the air inlet of the second hush pipe, the air inlet internal diameter of described first hush pipe is less than the gas outlet internal diameter of the first hush pipe, and the air inlet internal diameter of described second hush pipe is more than the gas outlet internal diameter of the second hush pipe.The beneficial effects of the utility model are: two hush pipes are arranged side by side, the gas outlet of the first hush pipe is connected with the air inlet of the second hush pipe, the air inlet internal diameter of the first hush pipe is less than the gas outlet internal diameter of the first hush pipe, the air inlet internal diameter of the second hush pipe is more than the gas outlet internal diameter of the second hush pipe, thus it is greatly prolonged noise reduction distance, make noise reduction more preferably.
Description
Technical field
This utility model relates to diesel engine, specifically a kind of silencer for diesel engine.
Background technology
Its cardinal principle of Diesel engine deafener is to utilize sound-absorbing porous material to reduce noise.Sound-absorbing material is fixed
Arrange in the duct on the inwall of gas channel or according to certain way, just constitute resistive muffler.When sound wave enters resistance
During property acoustic filter, a part of acoustic energy rubs in the hole of porous material and changes into thermal energy consumption and dissipate, and makes by acoustic filter
Sound wave weakens.Mainly by realizing the purpose of noise reduction at air vent one hush pipe of increase on existing diesel engine, but past
The best toward noise reduction.
Utility model content
Technical problem to be solved in the utility model is: provide the silencer for diesel engine of a kind of excellent noise reduction effect.
In order to solve above-mentioned technical problem, the technical solution adopted in the utility model is: a kind of silencer for diesel engine, bag
Include the first hush pipe and the second hush pipe being arranged side by side, the gas outlet of described first hush pipe and the air inlet of the second hush pipe
Connecting, the air inlet internal diameter of described first hush pipe is less than the gas outlet internal diameter of the first hush pipe, entering of described second hush pipe
QI KOU internal diameter is more than the gas outlet internal diameter of the second hush pipe.
Further, also include that breather, the gas outlet of described first hush pipe pass through with the air inlet of the second hush pipe
Breather connects, and described breather is vertical with the first hush pipe and the second hush pipe.
Further, the first connecting plate and the second connecting plate, institute it are provided with between described first hush pipe and the second hush pipe
Stating the first connecting plate for fixing inlet end and the exhaust end of the second hush pipe of the first hush pipe, described second connecting plate is used for
Fix outlet side and the inlet end of the second hush pipe of the first hush pipe.
Further, the width of described second connecting plate is more than the first hush pipe and the external diameter of the second hush pipe, and described the
The two ends of two connecting plates are to being outside equipped with the 3rd connecting plate, and described 3rd connecting plate is vertical with the second connecting plate, and the described 3rd even
The edge of fishplate bar is provided with the screw for being connected with diesel engine.
The beneficial effects of the utility model are: two hush pipes are arranged side by side, and the gas outlet of the first hush pipe disappears with second
The air inlet of sound tube connects, and the air inlet internal diameter of the first hush pipe is less than the gas outlet internal diameter of the first hush pipe, the second hush pipe
Air inlet internal diameter more than the gas outlet internal diameter of the second hush pipe, thus be greatly prolonged noise reduction distance, make noise reduction more preferably.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment silencer for diesel engine.
Fig. 2 is the structural representation of this utility model embodiment silencer for diesel engine.
Label declaration:
1, the first hush pipe；2, the second hush pipe；3, breather；4, the first connecting plate；
5, the second connecting plate；6, the 3rd connecting plate；61, screw.
Detailed description of the invention
By describing technology contents of the present utility model in detail, being realized purpose and effect, below in conjunction with embodiment and join
Conjunction accompanying drawing is explained.
The design of this utility model most critical is: two hush pipes are arranged side by side, the gas outlet of the first hush pipe and second
The air inlet of hush pipe connects, and the air inlet internal diameter of the first hush pipe is less than the gas outlet internal diameter of the first hush pipe, the second noise reduction
The air inlet internal diameter of pipe is more than the gas outlet internal diameter of the second hush pipe, thus extends noise reduction distance, makes noise reduction more preferably.
Refer to Fig. 1 and Fig. 2, a kind of silencer for diesel engine, including the first hush pipe 1 and the second noise reduction being arranged side by side
Pipe 2, the gas outlet of described first hush pipe is connected with the air inlet of the second hush pipe, the air inlet internal diameter of described first hush pipe
Less than the gas outlet internal diameter of the first hush pipe, the air inlet internal diameter of described second hush pipe is more than in the gas outlet of the second hush pipe
Footpath.
Knowable to foregoing description, the beneficial effects of the utility model are: two hush pipes are arranged side by side, the first hush pipe
Gas outlet is connected with the air inlet of the second hush pipe, and the air inlet internal diameter of the first hush pipe is less than in the gas outlet of the first hush pipe
Footpath, the air inlet internal diameter of the second hush pipe is more than the gas outlet internal diameter of the second hush pipe, thus is greatly prolonged noise reduction distance, makes fall
Make an uproar better.
Further, also include that breather 3, the gas outlet of described first hush pipe pass through with the air inlet of the second hush pipe
Breather connects, and described breather is vertical with the first hush pipe and the second hush pipe.
Seen from the above description, between the first hush pipe and the second hush pipe, increase by one section of breather, not only make the
The gas outlet of one hush pipe and the air inlet of the second hush pipe communicate, and extend noise reduction distance simultaneously, and noise reduction is more preferably.
Further, between described first hush pipe and the second hush pipe, it is provided with the first connecting plate 4 and the second connecting plate 5,
Described first connecting plate is for fixing inlet end and the exhaust end of the second hush pipe of the first hush pipe, and described second connecting plate is used
In outlet side and the inlet end of the second hush pipe of fixing the first hush pipe.
Seen from the above description, the first connecting plate and the second connecting plate between the first hush pipe and the second hush pipe, it are provided with,
Making the two ends of the first hush pipe and the two ends of the second hush pipe can consolidate connection, acoustic wave filter structure is more firm.
Further, the width of described second connecting plate is more than the first hush pipe and the external diameter of the second hush pipe, and described the
The two ends of two connecting plates are to being outside equipped with the 3rd connecting plate 6, and described 3rd connecting plate is vertical with the second connecting plate, and the described 3rd even
The edge of fishplate bar is provided with the screw 61 for being connected with diesel engine.
Seen from the above description, the edge of the 3rd connecting plate is provided with the screw for being connected with diesel engine so that acoustic filter
Simple in construction and be easy to dismounting.
Refer to Fig. 1 and Fig. 2, embodiment of the present utility model is: a kind of silencer for diesel engine, including be arranged side by side
First hush pipe 1 and the second hush pipe 2, the gas outlet of described first hush pipe is connected with the air inlet of the second hush pipe, described
The air inlet internal diameter of the first hush pipe is less than the gas outlet internal diameter of the first hush pipe, and the air inlet internal diameter of described second hush pipe is big
Gas outlet internal diameter in the second hush pipe.Also include that breather 3, the gas outlet of described first hush pipe enter with the second hush pipe
QI KOU is connected by breather, and described breather is vertical with the first hush pipe and the second hush pipe.Described first hush pipe and
Being provided with the first connecting plate 4 and the second connecting plate 5 between two hush pipes, described first connecting plate is for fixing entering of the first hush pipe
Gas end and the exhaust end of the second hush pipe, described second connecting plate is for fixing outlet side and second hush pipe of the first hush pipe
Inlet end.The width of described second connecting plate is more than the first hush pipe and the external diameter of the second hush pipe, described second connecting plate
Two ends to being outside equipped with the 3rd connecting plate 6, described 3rd connecting plate is vertical with the second connecting plate, the limit of described 3rd connecting plate
Along being provided with the screw 61 for being connected with diesel engine.
In sum, having the beneficial effects that of the silencer for diesel engine that this utility model provides: two hush pipes set side by side
Putting, the gas outlet of the first hush pipe is connected with the air inlet of the second hush pipe, and the air inlet internal diameter of the first hush pipe is less than first
The gas outlet internal diameter of hush pipe, the air inlet internal diameter of the second hush pipe is more than the gas outlet internal diameter of the second hush pipe, thus significantly
Extend noise reduction distance, make noise reduction more preferably；Between the first hush pipe and the second hush pipe, increase by one section of breather, not only make
The air inlet of the gas outlet and the second hush pipe that obtain the first hush pipe communicates, and extends noise reduction distance simultaneously, and noise reduction is more preferably；
The first connecting plate and the second connecting plate it is provided with so that the two ends of the first hush pipe and between first hush pipe and the second hush pipe
The two ends of two hush pipes can consolidate connection, and acoustic wave filter structure is more firm；The edge of the 3rd connecting plate be provided with for diesel engine
The screw connected so that acoustic wave filter structure is simple and is easy to dismounting.
The foregoing is only embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model, every
Utilize the equivalents that this utility model description and accompanying drawing content are made, or be directly or indirectly used in relevant technology neck
Territory, is the most in like manner included in scope of patent protection of the present utility model.
Claims (4)
1. a silencer for diesel engine, it is characterised in that: include the first hush pipe and the second hush pipe being arranged side by side, described
The gas outlet of the first hush pipe is connected with the air inlet of the second hush pipe, and the air inlet internal diameter of described first hush pipe is less than first
The gas outlet internal diameter of hush pipe, the air inlet internal diameter of described second hush pipe is more than the gas outlet internal diameter of the second hush pipe.
Silencer for diesel engine the most according to claim 1, it is characterised in that: also include breather, described first noise reduction
The gas outlet of pipe is connected by breather with the air inlet of the second hush pipe, described breather and the first hush pipe and the second noise reduction
Pipe is vertical.
Silencer for diesel engine the most according to claim 1, it is characterised in that: described first hush pipe and the second hush pipe
Between be provided with the first connecting plate and the second connecting plate, described first connecting plate is for fixing the inlet end and second of the first hush pipe
The exhaust end of hush pipe, described second connecting plate is for fixing outlet side and the inlet end of the second hush pipe of the first hush pipe.
Silencer for diesel engine the most according to claim 3, it is characterised in that: the width of described second connecting plate is more than the
One hush pipe and the external diameter of the second hush pipe, the two ends of described second connecting plate to being outside equipped with the 3rd connecting plate, the described 3rd
Connecting plate is vertical with the second connecting plate, and the edge of described 3rd connecting plate is provided with the screw for being connected with diesel engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620866046.6U CN205858456U (en) | 2016-08-11 | 2016-08-11 | A kind of silencer for diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620866046.6U CN205858456U (en) | 2016-08-11 | 2016-08-11 | A kind of silencer for diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205858456U true CN205858456U (en) | 2017-01-04 |
Family
ID=57658343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620866046.6U Expired - Fee Related CN205858456U (en) | 2016-08-11 | 2016-08-11 | A kind of silencer for diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205858456U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677860A (en) * | 2017-03-22 | 2017-05-17 | 苏州亮磊知识产权运营有限公司 | Silencer for automobile exhaust pipe |
-
2016
- 2016-08-11 CN CN201620866046.6U patent/CN205858456U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677860A (en) * | 2017-03-22 | 2017-05-17 | 苏州亮磊知识产权运营有限公司 | Silencer for automobile exhaust pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |